Japanese version here (日本語版はこちら). Today marks a very special occasion in the history of Heroku, as we are honored to announce that Yukihiro "Matz" Matsumoto, the creator of Ruby, has joined the Heroku team as Chief Architect, Ruby. In 1993, a time when most programming languages were focussed on computational efficiency, Matz wanted to create a language focussed on developer experience, happiness,